Adult Products Do not take more than 6 doses in 24 hours. Use only as directed. Do not take more than 6 doses in 24 hours. Sep 29, · Usual Adult Dose for Cold Symptoms. Oral: Diphenhydramine Citrate: 38 to 76 mg orally every 4 to 6 hours as needed-Maximum dose: mg/day Diphenhydramine Hydrochloride: 25 to 50 mg orally every 4 to 6 hours as needed-Maximum dose: mg/day Parenteral: 10 to 50 mg deep IM or IV as needed, and may increase to mg if required.
Jun 05, · Benadryl Adult Dosage For Motion Sickness When used to assist in treating motion sickness, the advised dose is between 25mg and 50mg of diphenhydramine up to four times per day. The patient should take the first dose of up to 50mg before they start with the trip. The final dose should be taken when their trip comes to an end. May 01, · 10 to 50 mg intravenously at a rate generally not exceeding 25 mg/min, or deep intramuscularly, mg if required; maximum daily dosage is mg.
May 18, · Maximum dosage Oral Benadryl products shouldn’t be taken more than 6 times each day. For adults and children over 12 years of age, the maximum is .